Does anyone know how much energy the Model 3 uses if it's only running the AC? I'm just curious if it's more energy efficient to us the AC in the car vs. my house central AC.
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This. Since AC runs on electricity it actually generates heat (into which all used electricity is converted to). So you do need to duck somehow that excess heat to outside of the house.Otherwise, it's not different than using a refrigerator to cool your house. Which doesn't work, because science. In fact, the laws of thermodynamics mean you'll actually create more heat ...
Probably yes, based on the overall size of the space being cooled. But there are a lot of factors like air leakage, insulation, solar gain, etc.Sorry for the confusion. I meant is it more efficient for me to sit in my car with the AC on than to be in my house with the central unit on. When I'm the only one home, I was thinking of just hanging out in the car. I'm not suggesting that I use the Model 3 to cool down the entire house lol.
I'm all about balancing my comfort with cost. If I'm browsing the internet or reading, I would be perfectly comfortable in the car. It also allows me to use the off peak electricity rate during the peak times.Too many variables. What's the seer rating on your AC unit in your house? How big is your house? How efficient is your house's heat loss/retention? Is your garage insulated? What's the outside temperature?
It's kind of a silly question. If you sit in your car with the AC on, the heat exchange is going to warm up the garage so you'd at least want to open the garage to let the heat out. It's going to use less electricity to get your car to a nice temperature than your house but you can't walk around your car, go to the bathroom, etc.
How much is your comfort worth?
use the off peak electricity rate during the peak times